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Buy Day today: Good (62) Broad market participation · no major macro event
RDNT

RadNet Inc

Healthcare · Diagnostics & Research

77.80$ +2.6% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns RadNet Inc (RDNT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 83.5% of the shares are freely tradable; institutional investors hold 100.1%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 100.1%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 10.0%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 83.5%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 14.9%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 79Mio.

Largest Shareholders

Institutions

Institutions RDNT
Name Stake (%) Shares Change (%) Date
BlackRock Inc 12.75 10,035,734 +0.1 03/31/2026
RTW INVESTMENTS, LLC 5.44 4,285,000 +8.8 03/31/2026
T. Rowe Price Associates, Inc. 5.28 4,154,863 +53.9 03/31/2026
Vanguard Portfolio Management, LLC 4.95 3,899,127 +0.0 03/31/2026
Beck, Mack & Oliver LLC 4.02 3,166,192 -2.0 03/31/2026
Vanguard Capital Management, LLC 3.95 3,111,012 +0.0 03/31/2026
State Street Corp 3.37 2,651,598 +2.8 03/31/2026

Funds

Funds RDNT
Name Stake (%) Shares Change (%) Date
iShares Core S&P Small-Cap ETF 5.47 4,306,886 +0.0 08/31/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.87 2,261,530 +0.4 07/31/2026
iShares Russell 2000 ETF 2.30 1,809,003 -0.6 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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